/*
 * This file is part of "The Java Telnet Application".
 *
 * (c) Matthias L. Jugel, Marcus Mei遪er 1996-2002. All Rights Reserved.
 *
 * Please visit http://javatelnet.org/ for updates and contact.
 *
 * IMPORTANT NOTICE:
 * The code herein cannot be placed under GPL or any other license and
 * is provided as reference and to support DES encryption for communication
 * with some SSH servers. Please see license notice below for detailled
 * information.
 *
 * ---
 * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 * ----
 */
package com.sunnada.edu.system.pub.util;

import java.util.ArrayList;
import java.util.List;


/**
 *前端加密， 后端解密， 第一个key必须， 第二个和第三个key 可以不需要
 * */
public  class DESJAVA   {
	    public DESJAVA() {
	    }

	    /**
	     * DES加密/解密
	     * 
	     * @Copyright Copyright (c) 2006
	     * @author Guapo
	     * @see DESCore
	     */

	    /*
	     * encrypt the string to string made up of hex return the encrypted string
	     */
	    public static String strEnc(String data, String firstKey, String secondKey,
	            String thirdKey) {
	        int leng = data.length();
	        String encData = "";
	        List firstKeyBt = null, secondKeyBt = null, thirdKeyBt = null;
	        int firstLength = 0, secondLength = 0, thirdLength = 0;
	        if (firstKey != null && firstKey != "") {
	            firstKeyBt = getKeyBytes(firstKey);
	            firstLength = firstKeyBt.size();
	        }
	        if (secondKey != null && secondKey != "") {
	            secondKeyBt = getKeyBytes(secondKey);
	            secondLength = secondKeyBt.size();
	        }
	        if (thirdKey != null && thirdKey != "") {
	            thirdKeyBt = getKeyBytes(thirdKey);
	            thirdLength = thirdKeyBt.size();
	        }

	        if (leng > 0) {
	            if (leng < 4) {
	                int[] bt = strToBt(data);
	                int[] encByte = null;
	                if (firstKey != null && firstKey != "" && secondKey != null
	                        && secondKey != "" && thirdKey != null
	                        && thirdKey != "") {
	                    int[] tempBt;
	                    int x, y, z;
	                    tempBt = bt;
	                    for (x = 0; x < firstLength; x++) {
	                        tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                    }
	                    for (y = 0; y < secondLength; y++) {
	                        tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
	                    }
	                    for (z = 0; z < thirdLength; z++) {
	                        tempBt = enc(tempBt, (int[]) thirdKeyBt.get(z));
	                    }
	                    encByte = tempBt;
	                } else {
	                    if (firstKey != null && firstKey != "" && secondKey != null
	                            && secondKey != "") {
	                        int[] tempBt;
	                        int x, y;
	                        tempBt = bt;
	                        for (x = 0; x < firstLength; x++) {
	                            tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                        }
	                        for (y = 0; y < secondLength; y++) {
	                            tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
	                        }
	                        encByte = tempBt;
	                    } else {
	                        if (firstKey != null && firstKey != "") {
	                            int[] tempBt;
	                            int x = 0;
	                            tempBt = bt;
	                            for (x = 0; x < firstLength; x++) {
	                                tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                            }
	                            encByte = tempBt;
	                        }
	                    }
	                }
	                encData = bt64ToHex(encByte);
	            } else {
	                int iterator = (leng / 4);
	                int remainder = leng % 4;
	                int i = 0;
	                for (i = 0; i < iterator; i++) {
	                    String tempData = data.substring(i * 4 + 0, i * 4 + 4);
	                    int[] tempByte = strToBt(tempData);
	                    int[] encByte = null;
	                    if (firstKey != null && firstKey != "" && secondKey != null
	                            && secondKey != "" && thirdKey != null
	                            && thirdKey != "") {
	                        int[] tempBt;
	                        int x, y, z;
	                        tempBt = tempByte;
	                        for (x = 0; x < firstLength; x++) {
	                            tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                        }
	                        for (y = 0; y < secondLength; y++) {
	                            tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
	                        }
	                        for (z = 0; z < thirdLength; z++) {
	                            tempBt = enc(tempBt, (int[]) thirdKeyBt.get(z));
	                        }
	                        encByte = tempBt;
	                    } else {
	                        if (firstKey != null && firstKey != ""
	                                && secondKey != null && secondKey != "") {
	                            int[] tempBt;
	                            int x, y;
	                            tempBt = tempByte;
	                            for (x = 0; x < firstLength; x++) {
	                                tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                            }
	                            for (y = 0; y < secondLength; y++) {
	                                tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
	                            }
	                            encByte = tempBt;
	                        } else {
	                            if (firstKey != null && firstKey != "") {
	                                int[] tempBt;
	                                int x;
	                                tempBt = tempByte;
	                                for (x = 0; x < firstLength; x++) {
	                                    tempBt = enc(tempBt, (int[]) firstKeyBt
	                                            .get(x));
	                                }
	                                encByte = tempBt;
	                            }
	                        }
	                    }
	                    encData += bt64ToHex(encByte);
	                }
	                if (remainder > 0) {
	                    String remainderData = data.substring(iterator * 4 + 0,
	                            leng);
	                    int[] tempByte = strToBt(remainderData);
	                    int[] encByte = null;
	                    if (firstKey != null && firstKey != "" && secondKey != null
	                            && secondKey != "" && thirdKey != null
	                            && thirdKey != "") {
	                        int[] tempBt;
	                        int x, y, z;
	                        tempBt = tempByte;
	                        for (x = 0; x < firstLength; x++) {
	                            tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                        }
	                        for (y = 0; y < secondLength; y++) {
	                            tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
	                        }
	                        for (z = 0; z < thirdLength; z++) {
	                            tempBt = enc(tempBt, (int[]) thirdKeyBt.get(z));
	                        }
	                        encByte = tempBt;
	                    } else {
	                        if (firstKey != null && firstKey != ""
	                                && secondKey != null && secondKey != "") {
	                            int[] tempBt;
	                            int x, y;
	                            tempBt = tempByte;
	                            for (x = 0; x < firstLength; x++) {
	                                tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
	                            }
	                            for (y = 0; y < secondLength; y++) {
	                                tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
	                            }
	                            encByte = tempBt;
	                        } else {
	                            if (firstKey != null && firstKey != "") {
	                                int[] tempBt;
	                                int x;
	                                tempBt = tempByte;
	                                for (x = 0; x < firstLength; x++) {
	                                    tempBt = enc(tempBt, (int[]) firstKeyBt
	                                            .get(x));
	                                }
	                                encByte = tempBt;
	                            }
	                        }
	                    }
	                    encData += bt64ToHex(encByte);
	                }
	            }
	        }
	        return encData;
	    }

	    /*
	     * decrypt the encrypted string to the original string
	     * 
	     * return the original string
	     */
	    public static String strDec(String data, String firstKey, String secondKey,
	            String thirdKey) {
	        int leng = data.length();
	        String decStr = "";
	        List firstKeyBt = null, secondKeyBt = null, thirdKeyBt = null;
	        int firstLength = 0, secondLength = 0, thirdLength = 0;
	        if (firstKey != null && firstKey != "") {
	            firstKeyBt = getKeyBytes(firstKey);
	            firstLength = firstKeyBt.size();
	        }
	        if (secondKey != null && secondKey != "") {
	            secondKeyBt = getKeyBytes(secondKey);
	            secondLength = secondKeyBt.size();
	        }
	        if (thirdKey != null && thirdKey != "") {
	            thirdKeyBt = getKeyBytes(thirdKey);
	            thirdLength = thirdKeyBt.size();
	        }

	        int iterator = leng / 16;
	        int i = 0;
	        for (i = 0; i < iterator; i++) {
	            String tempData = data.substring(i * 16 + 0, i * 16 + 16);
	            String strByte = hexToBt64(tempData);
	            int[] intByte = new int[64];
	            int j = 0;
	            for (j = 0; j < 64; j++) {
	                intByte[j] = Integer.parseInt(strByte.substring(j, j + 1));
	            }
	            int[] decByte = null;
	            if (firstKey != null && firstKey != "" && secondKey != null
	                    && secondKey != "" && thirdKey != null && thirdKey != "") {
	                int[] tempBt;
	                int x, y, z;
	                tempBt = intByte;
	                for (x = thirdLength - 1; x >= 0; x--) {
	                    tempBt = dec(tempBt, (int[]) thirdKeyBt.get(x));
	                }
	                for (y = secondLength - 1; y >= 0; y--) {
	                    tempBt = dec(tempBt, (int[]) secondKeyBt.get(y));
	                }
	                for (z = firstLength - 1; z >= 0; z--) {
	                    tempBt = dec(tempBt, (int[]) firstKeyBt.get(z));
	                }
	                decByte = tempBt;
	            } else {
	                if (firstKey != null && firstKey != "" && secondKey != null
	                        && secondKey != "") {
	                    int[] tempBt;
	                    int x, y, z;
	                    tempBt = intByte;
	                    for (x = secondLength - 1; x >= 0; x--) {
	                        tempBt = dec(tempBt, (int[]) secondKeyBt.get(x));
	                    }
	                    for (y = firstLength - 1; y >= 0; y--) {
	                        tempBt = dec(tempBt, (int[]) firstKeyBt.get(y));
	                    }
	                    decByte = tempBt;
	                } else {
	                    if (firstKey != null && firstKey != "") {
	                        int[] tempBt;
	                        int x, y, z;
	                        tempBt = intByte;
	                        for (x = firstLength - 1; x >= 0; x--) {
	                            tempBt = dec(tempBt, (int[]) firstKeyBt.get(x));
	                        }
	                        decByte = tempBt;
	                    }
	                }
	            }
	            decStr += byteToString(decByte);
	        }
	        return decStr;
	    }

	    /*
	     * chang the string into the bit array
	     * 
	     * return bit array(it's length % 64 = 0)
	     */
	    @SuppressWarnings("unchecked")
		public static List getKeyBytes(String key) {
	        List keyBytes = new ArrayList();
	        int leng = key.length();
	        int iterator = (leng / 4);
	        int remainder = leng % 4;
	        int i = 0;
	        for (i = 0; i < iterator; i++) {
	            keyBytes.add(i, strToBt(key.substring(i * 4 + 0, i * 4 + 4)));
	        }
	        if (remainder > 0) {
	            // keyBytes[i] = strToBt(key.substring(i*4+0,leng));
	            keyBytes.add(i, strToBt(key.substring(i * 4 + 0, leng)));
	        }
	        return keyBytes;
	    }

	    /*
	     * chang the string(it's length <= 4) into the bit array
	     * 
	     * return bit array(it's length = 64)
	     */
	    public  static int[] strToBt(String str) {
	        int leng = str.length();
	        int[] bt = new int[64];
	        if (leng < 4) {
	            int i = 0, j = 0, p = 0, q = 0;
	            for (i = 0; i < leng; i++) {
	                int k = str.charAt(i);
	                for (j = 0; j < 16; j++) {
	                    int pow = 1, m = 0;
	                    for (m = 15; m > j; m--) {
	                        pow *= 2;
	                    }
	                    // bt.set(16*i+j,""+(k/pow)%2));
	                    bt[16 * i + j] = (k / pow) % 2;
	                }
	            }
	            for (p = leng; p < 4; p++) {
	                int k = 0;
	                for (q = 0; q < 16; q++) {
	                    int pow = 1, m = 0;
	                    for (m = 15; m > q; m--) {
	                        pow *= 2;
	                    }
	                    // bt[16*p+q]=parseInt(k/pow)%2;
	                    // bt.add(16*p+q,""+((k/pow)%2));
	                    bt[16 * p + q] = (k / pow) % 2;
	                }
	            }
	        } else {
	            for (int i = 0; i < 4; i++) {
	                int k = str.charAt(i);
	                for (int j = 0; j < 16; j++) {
	                    int pow = 1;
	                    for (int m = 15; m > j; m--) {
	                        pow *= 2;
	                    }
	                    // bt[16*i+j]=parseInt(k/pow)%2;
	                    // bt.add(16*i+j,""+((k/pow)%2));
	                    bt[16 * i + j] = (k / pow) % 2;
	                }
	            }
	        }
	        return bt;
	    }

	    /*
	     * chang the bit(it's length = 4) into the hex
	     * 
	     * return hex
	     */
	    public static String bt4ToHex(String binary) {
	        String hex = "";
	        if (binary.equalsIgnoreCase("0000")) {
	            hex = "0";
	        } else if (binary.equalsIgnoreCase("0001")) {
	            hex = "1";
	        } else if (binary.equalsIgnoreCase("0010")) {
	            hex = "2";
	        } else if (binary.equalsIgnoreCase("0011")) {
	            hex = "3";
	        } else if (binary.equalsIgnoreCase("0100")) {
	            hex = "4";
	        } else if (binary.equalsIgnoreCase("0101")) {
	            hex = "5";
	        } else if (binary.equalsIgnoreCase("0110")) {
	            hex = "6";
	        } else if (binary.equalsIgnoreCase("0111")) {
	            hex = "7";
	        } else if (binary.equalsIgnoreCase("1000")) {
	            hex = "8";
	        } else if (binary.equalsIgnoreCase("1001")) {
	            hex = "9";
	        } else if (binary.equalsIgnoreCase("1010")) {
	            hex = "A";
	        } else if (binary.equalsIgnoreCase("1011")) {
	            hex = "B";
	        } else if (binary.equalsIgnoreCase("1100")) {
	            hex = "C";
	        } else if (binary.equalsIgnoreCase("1101")) {
	            hex = "D";
	        } else if (binary.equalsIgnoreCase("1110")) {
	            hex = "E";
	        } else if (binary.equalsIgnoreCase("1111")) {
	            hex = "F";
	        }

	        return hex;
	    }

	    /*
	     * chang the hex into the bit(it's length = 4)
	     * 
	     * return the bit(it's length = 4)
	     */
	    public  static String hexToBt4(String hex) {
	        String binary = "";
	        if (hex.equalsIgnoreCase("0")) {
	            binary = "0000";
	        } else if (hex.equalsIgnoreCase("1")) {
	            binary = "0001";
	        }
	        if (hex.equalsIgnoreCase("2")) {
	            binary = "0010";
	        }
	        if (hex.equalsIgnoreCase("3")) {
	            binary = "0011";
	        }
	        if (hex.equalsIgnoreCase("4")) {
	            binary = "0100";
	        }
	        if (hex.equalsIgnoreCase("5")) {
	            binary = "0101";
	        }
	        if (hex.equalsIgnoreCase("6")) {
	            binary = "0110";
	        }
	        if (hex.equalsIgnoreCase("7")) {
	            binary = "0111";
	        }
	        if (hex.equalsIgnoreCase("8")) {
	            binary = "1000";
	        }
	        if (hex.equalsIgnoreCase("9")) {
	            binary = "1001";
	        }
	        if (hex.equalsIgnoreCase("A")) {
	            binary = "1010";
	        }
	        if (hex.equalsIgnoreCase("B")) {
	            binary = "1011";
	        }
	        if (hex.equalsIgnoreCase("C")) {
	            binary = "1100";
	        }
	        if (hex.equalsIgnoreCase("D")) {
	            binary = "1101";
	        }
	        if (hex.equalsIgnoreCase("E")) {
	            binary = "1110";
	        }
	        if (hex.equalsIgnoreCase("F")) {
	            binary = "1111";
	        }
	        return binary;
	    }

	    /*
	     * chang the bit(it's length = 64) into the string
	     * 
	     * return string
	     */
	    public static  String byteToString(int[] byteData) {
	        String str = "";
	        for (int i = 0; i < 4; i++) {
	            int count = 0;
	            for (int j = 0; j < 16; j++) {
	                int pow = 1;
	                for (int m = 15; m > j; m--) {
	                    pow *= 2;
	                }
	                count += byteData[16 * i + j] * pow;
	            }
	            if (count != 0) {
	                str += "" + (char) (count);
	            }
	        }
	        return str;
	    }

	    public static  String bt64ToHex(int[] byteData) {
	        String hex = "";
	        for (int i = 0; i < 16; i++) {
	            String bt = "";
	            for (int j = 0; j < 4; j++) {
	                bt += byteData[i * 4 + j];
	            }
	            hex += bt4ToHex(bt);
	        }
	        return hex;
	    }

	    public static String hexToBt64(String hex) {
	        String binary = "";
	        for (int i = 0; i < 16; i++) {
	            binary += hexToBt4(hex.substring(i, i + 1));
	        }
	        return binary;
	    }

	    /*
	     * the 64 bit des core arithmetic
	     */

	    public static int[] enc(int[] dataByte, int[] keyByte) {
	        int[][] keys = generateKeys(keyByte);
	        int[] ipByte = initPermute(dataByte);
	        int[] ipLeft = new int[32];
	        int[] ipRight = new int[32];
	        int[] tempLeft = new int[32];
	        int i = 0, j = 0, k = 0, m = 0, n = 0;
	        for (k = 0; k < 32; k++) {
	            ipLeft[k] = ipByte[k];
	            ipRight[k] = ipByte[32 + k];
	        }
	        for (i = 0; i < 16; i++) {
	            for (j = 0; j < 32; j++) {
	                tempLeft[j] = ipLeft[j];
	                ipLeft[j] = ipRight[j];
	            }
	            int[] key = new int[48];
	            for (m = 0; m < 48; m++) {
	                key[m] = keys[i][m];
	            }
	            int[] tempRight = xor(pPermute(sBoxPermute(xor(
	                    expandPermute(ipRight), key))), tempLeft);
	            for (n = 0; n < 32; n++) {
	                ipRight[n] = tempRight[n];
	            }

	        }

	        int[] finalData = new int[64];
	        for (i = 0; i < 32; i++) {
	            finalData[i] = ipRight[i];
	            finalData[32 + i] = ipLeft[i];
	        }
	        return finallyPermute(finalData);
	    }

	    public static int[] dec(int[] dataByte, int[] keyByte) {
	        int[][] keys = generateKeys(keyByte);
	        int[] ipByte = initPermute(dataByte);
	        int[] ipLeft = new int[32];
	        int[] ipRight = new int[32];
	        int[] tempLeft = new int[32];
	        int i = 0, j = 0, k = 0, m = 0, n = 0;
	        for (k = 0; k < 32; k++) {
	            ipLeft[k] = ipByte[k];
	            ipRight[k] = ipByte[32 + k];
	        }
	        for (i = 15; i >= 0; i--) {
	            for (j = 0; j < 32; j++) {
	                tempLeft[j] = ipLeft[j];
	                ipLeft[j] = ipRight[j];
	            }
	            int[] key = new int[48];
	            for (m = 0; m < 48; m++) {
	                key[m] = keys[i][m];
	            }

	            int[] tempRight = xor(pPermute(sBoxPermute(xor(
	                    expandPermute(ipRight), key))), tempLeft);
	            for (n = 0; n < 32; n++) {
	                ipRight[n] = tempRight[n];
	            }
	        }

	        int[] finalData = new int[64];
	        for (i = 0; i < 32; i++) {
	            finalData[i] = ipRight[i];
	            finalData[32 + i] = ipLeft[i];
	        }
	        return finallyPermute(finalData);
	    }

	    public static int[] initPermute(int[] originalData) {
	        int[] ipByte = new int[64];
	        int i = 0, m = 1, n = 0, j, k;
	        for (i = 0, m = 1, n = 0; i < 4; i++, m += 2, n += 2) {
	            for (j = 7, k = 0; j >= 0; j--, k++) {
	                ipByte[i * 8 + k] = originalData[j * 8 + m];
	                ipByte[i * 8 + k + 32] = originalData[j * 8 + n];
	            }
	        }
	        return ipByte;
	    }

	    public static int[] expandPermute(int[] rightData) {
	        int[] epByte = new int[48];
	        int i, j;
	        for (i = 0; i < 8; i++) {
	            if (i == 0) {
	                epByte[i * 6 + 0] = rightData[31];
	            } else {
	                epByte[i * 6 + 0] = rightData[i * 4 - 1];
	            }
	            epByte[i * 6 + 1] = rightData[i * 4 + 0];
	            epByte[i * 6 + 2] = rightData[i * 4 + 1];
	            epByte[i * 6 + 3] = rightData[i * 4 + 2];
	            epByte[i * 6 + 4] = rightData[i * 4 + 3];
	            if (i == 7) {
	                epByte[i * 6 + 5] = rightData[0];
	            } else {
	                epByte[i * 6 + 5] = rightData[i * 4 + 4];
	            }
	        }
	        return epByte;
	    }

	    public static int[] xor(int[] byteOne, int[] byteTwo) {
	        // var xorByte = new Array(byteOne.length);
	        // for(int i = 0;i < byteOne.length; i ++){
	        // xorByte[i] = byteOne[i] ^ byteTwo[i];
	        // }
	        // return xorByte;
	        int[] xorByte = new int[byteOne.length];
	        for (int i = 0; i < byteOne.length; i++) {
	            xorByte[i] = byteOne[i] ^ byteTwo[i];
	        }
	        return xorByte;
	    }

	    public static int[] sBoxPermute(int[] expandByte) {

	        // var sBoxByte = new Array(32);
	        int[] sBoxByte = new int[32];
	        String binary = "";
	        int[][] s1 = {
	                { 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7 },
	                { 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8 },
	                { 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0 },
	                { 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 } };

	        /* Table - s2 */
	        int[][] s2 = {
	                { 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10 },
	                { 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5 },
	                { 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15 },
	                { 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 } };

	        /* Table - s3 */
	        int[][] s3 = {
	                { 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8 },
	                { 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1 },
	                { 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7 },
	                { 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 } };
	        /* Table - s4 */
	        int[][] s4 = {
	                { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15 },
	                { 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9 },
	                { 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4 },
	                { 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 } };

	        /* Table - s5 */
	        int[][] s5 = {
	                { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9 },
	                { 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6 },
	                { 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14 },
	                { 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 } };

	        /* Table - s6 */
	        int[][] s6 = {
	                { 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11 },
	                { 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8 },
	                { 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6 },
	                { 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 } };

	        /* Table - s7 */
	        int[][] s7 = {
	                { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1 },
	                { 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6 },
	                { 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2 },
	                { 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 } };

	        /* Table - s8 */
	        int[][] s8 = {
	                { 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7 },
	                { 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2 },
	                { 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8 },
	                { 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 } };

	        for (int m = 0; m < 8; m++) {
	            int i = 0, j = 0;
	            i = expandByte[m * 6 + 0] * 2 + expandByte[m * 6 + 5];
	            j = expandByte[m * 6 + 1] * 2 * 2 * 2 + expandByte[m * 6 + 2] * 2
	                    * 2 + expandByte[m * 6 + 3] * 2 + expandByte[m * 6 + 4];
	            switch (m) {
	            case 0:
	                binary = getBoxBinary(s1[i][j]);
	                break;
	            case 1:
	                binary = getBoxBinary(s2[i][j]);
	                break;
	            case 2:
	                binary = getBoxBinary(s3[i][j]);
	                break;
	            case 3:
	                binary = getBoxBinary(s4[i][j]);
	                break;
	            case 4:
	                binary = getBoxBinary(s5[i][j]);
	                break;
	            case 5:
	                binary = getBoxBinary(s6[i][j]);
	                break;
	            case 6:
	                binary = getBoxBinary(s7[i][j]);
	                break;
	            case 7:
	                binary = getBoxBinary(s8[i][j]);
	                break;
	            }
	            sBoxByte[m * 4 + 0] = Integer.parseInt(binary.substring(0, 1));
	            sBoxByte[m * 4 + 1] = Integer.parseInt(binary.substring(1, 2));
	            sBoxByte[m * 4 + 2] = Integer.parseInt(binary.substring(2, 3));
	            sBoxByte[m * 4 + 3] = Integer.parseInt(binary.substring(3, 4));
	        }
	        return sBoxByte;
	    }

	    public static int[] pPermute(int[] sBoxByte) {
	        int[] pBoxPermute = new int[32];
	        pBoxPermute[0] = sBoxByte[15];
	        pBoxPermute[1] = sBoxByte[6];
	        pBoxPermute[2] = sBoxByte[19];
	        pBoxPermute[3] = sBoxByte[20];
	        pBoxPermute[4] = sBoxByte[28];
	        pBoxPermute[5] = sBoxByte[11];
	        pBoxPermute[6] = sBoxByte[27];
	        pBoxPermute[7] = sBoxByte[16];
	        pBoxPermute[8] = sBoxByte[0];
	        pBoxPermute[9] = sBoxByte[14];
	        pBoxPermute[10] = sBoxByte[22];
	        pBoxPermute[11] = sBoxByte[25];
	        pBoxPermute[12] = sBoxByte[4];
	        pBoxPermute[13] = sBoxByte[17];
	        pBoxPermute[14] = sBoxByte[30];
	        pBoxPermute[15] = sBoxByte[9];
	        pBoxPermute[16] = sBoxByte[1];
	        pBoxPermute[17] = sBoxByte[7];
	        pBoxPermute[18] = sBoxByte[23];
	        pBoxPermute[19] = sBoxByte[13];
	        pBoxPermute[20] = sBoxByte[31];
	        pBoxPermute[21] = sBoxByte[26];
	        pBoxPermute[22] = sBoxByte[2];
	        pBoxPermute[23] = sBoxByte[8];
	        pBoxPermute[24] = sBoxByte[18];
	        pBoxPermute[25] = sBoxByte[12];
	        pBoxPermute[26] = sBoxByte[29];
	        pBoxPermute[27] = sBoxByte[5];
	        pBoxPermute[28] = sBoxByte[21];
	        pBoxPermute[29] = sBoxByte[10];
	        pBoxPermute[30] = sBoxByte[3];
	        pBoxPermute[31] = sBoxByte[24];
	        return pBoxPermute;
	    }

	    public  static int[] finallyPermute(int[] endByte) {
	        int[] fpByte = new int[64];
	        fpByte[0] = endByte[39];
	        fpByte[1] = endByte[7];
	        fpByte[2] = endByte[47];
	        fpByte[3] = endByte[15];
	        fpByte[4] = endByte[55];
	        fpByte[5] = endByte[23];
	        fpByte[6] = endByte[63];
	        fpByte[7] = endByte[31];
	        fpByte[8] = endByte[38];
	        fpByte[9] = endByte[6];
	        fpByte[10] = endByte[46];
	        fpByte[11] = endByte[14];
	        fpByte[12] = endByte[54];
	        fpByte[13] = endByte[22];
	        fpByte[14] = endByte[62];
	        fpByte[15] = endByte[30];
	        fpByte[16] = endByte[37];
	        fpByte[17] = endByte[5];
	        fpByte[18] = endByte[45];
	        fpByte[19] = endByte[13];
	        fpByte[20] = endByte[53];
	        fpByte[21] = endByte[21];
	        fpByte[22] = endByte[61];
	        fpByte[23] = endByte[29];
	        fpByte[24] = endByte[36];
	        fpByte[25] = endByte[4];
	        fpByte[26] = endByte[44];
	        fpByte[27] = endByte[12];
	        fpByte[28] = endByte[52];
	        fpByte[29] = endByte[20];
	        fpByte[30] = endByte[60];
	        fpByte[31] = endByte[28];
	        fpByte[32] = endByte[35];
	        fpByte[33] = endByte[3];
	        fpByte[34] = endByte[43];
	        fpByte[35] = endByte[11];
	        fpByte[36] = endByte[51];
	        fpByte[37] = endByte[19];
	        fpByte[38] = endByte[59];
	        fpByte[39] = endByte[27];
	        fpByte[40] = endByte[34];
	        fpByte[41] = endByte[2];
	        fpByte[42] = endByte[42];
	        fpByte[43] = endByte[10];
	        fpByte[44] = endByte[50];
	        fpByte[45] = endByte[18];
	        fpByte[46] = endByte[58];
	        fpByte[47] = endByte[26];
	        fpByte[48] = endByte[33];
	        fpByte[49] = endByte[1];
	        fpByte[50] = endByte[41];
	        fpByte[51] = endByte[9];
	        fpByte[52] = endByte[49];
	        fpByte[53] = endByte[17];
	        fpByte[54] = endByte[57];
	        fpByte[55] = endByte[25];
	        fpByte[56] = endByte[32];
	        fpByte[57] = endByte[0];
	        fpByte[58] = endByte[40];
	        fpByte[59] = endByte[8];
	        fpByte[60] = endByte[48];
	        fpByte[61] = endByte[16];
	        fpByte[62] = endByte[56];
	        fpByte[63] = endByte[24];
	        return fpByte;
	    }

	    public static String getBoxBinary(int i) {
	        String binary = "";
	        switch (i) {
	        case 0:
	            binary = "0000";
	            break;
	        case 1:
	            binary = "0001";
	            break;
	        case 2:
	            binary = "0010";
	            break;
	        case 3:
	            binary = "0011";
	            break;
	        case 4:
	            binary = "0100";
	            break;
	        case 5:
	            binary = "0101";
	            break;
	        case 6:
	            binary = "0110";
	            break;
	        case 7:
	            binary = "0111";
	            break;
	        case 8:
	            binary = "1000";
	            break;
	        case 9:
	            binary = "1001";
	            break;
	        case 10:
	            binary = "1010";
	            break;
	        case 11:
	            binary = "1011";
	            break;
	        case 12:
	            binary = "1100";
	            break;
	        case 13:
	            binary = "1101";
	            break;
	        case 14:
	            binary = "1110";
	            break;
	        case 15:
	            binary = "1111";
	            break;
	        }
	        return binary;
	    }

	    /*
	     * generate 16 keys for xor
	     * 
	     */
	    public static int[][] generateKeys(int[] keyByte) {
	        int[] key = new int[56];
	        int[][] keys = new int[16][48];

	        // keys[ 0] = new Array();
	        // keys[ 1] = new Array();
	        // keys[ 2] = new Array();
	        // keys[ 3] = new Array();
	        // keys[ 4] = new Array();
	        // keys[ 5] = new Array();
	        // keys[ 6] = new Array();
	        // keys[ 7] = new Array();
	        // keys[ 8] = new Array();
	        // keys[ 9] = new Array();
	        // keys[10] = new Array();
	        // keys[11] = new Array();
	        // keys[12] = new Array();
	        // keys[13] = new Array();
	        // keys[14] = new Array();
	        // keys[15] = new Array();
	        int[] loop = new int[] { 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 };

	        for (int i = 0; i < 7; i++) {
	            for (int j = 0, k = 7; j < 8; j++, k--) {
	                key[i * 8 + j] = keyByte[8 * k + i];
	            }
	        }

	        int i = 0;
	        for (i = 0; i < 16; i++) {
	            int tempLeft = 0;
	            int tempRight = 0;
	            for (int j = 0; j < loop[i]; j++) {
	                tempLeft = key[0];
	                tempRight = key[28];
	                for (int k = 0; k < 27; k++) {
	                    key[k] = key[k + 1];
	                    key[28 + k] = key[29 + k];
	                }
	                key[27] = tempLeft;
	                key[55] = tempRight;
	            }
	            // var tempKey = new Array(48);
	            int[] tempKey = new int[48];
	            tempKey[0] = key[13];
	            tempKey[1] = key[16];
	            tempKey[2] = key[10];
	            tempKey[3] = key[23];
	            tempKey[4] = key[0];
	            tempKey[5] = key[4];
	            tempKey[6] = key[2];
	            tempKey[7] = key[27];
	            tempKey[8] = key[14];
	            tempKey[9] = key[5];
	            tempKey[10] = key[20];
	            tempKey[11] = key[9];
	            tempKey[12] = key[22];
	            tempKey[13] = key[18];
	            tempKey[14] = key[11];
	            tempKey[15] = key[3];
	            tempKey[16] = key[25];
	            tempKey[17] = key[7];
	            tempKey[18] = key[15];
	            tempKey[19] = key[6];
	            tempKey[20] = key[26];
	            tempKey[21] = key[19];
	            tempKey[22] = key[12];
	            tempKey[23] = key[1];
	            tempKey[24] = key[40];
	            tempKey[25] = key[51];
	            tempKey[26] = key[30];
	            tempKey[27] = key[36];
	            tempKey[28] = key[46];
	            tempKey[29] = key[54];
	            tempKey[30] = key[29];
	            tempKey[31] = key[39];
	            tempKey[32] = key[50];
	            tempKey[33] = key[44];
	            tempKey[34] = key[32];
	            tempKey[35] = key[47];
	            tempKey[36] = key[43];
	            tempKey[37] = key[48];
	            tempKey[38] = key[38];
	            tempKey[39] = key[55];
	            tempKey[40] = key[33];
	            tempKey[41] = key[52];
	            tempKey[42] = key[45];
	            tempKey[43] = key[41];
	            tempKey[44] = key[49];
	            tempKey[45] = key[35];
	            tempKey[46] = key[28];
	            tempKey[47] = key[31];
	            int m;
	            switch (i) {
	            case 0:
	                for (m = 0; m < 48; m++) {
	                    keys[0][m] = tempKey[m];
	                }
	                break;
	            case 1:
	                for (m = 0; m < 48; m++) {
	                    keys[1][m] = tempKey[m];
	                }
	                break;
	            case 2:
	                for (m = 0; m < 48; m++) {
	                    keys[2][m] = tempKey[m];
	                }
	                break;
	            case 3:
	                for (m = 0; m < 48; m++) {
	                    keys[3][m] = tempKey[m];
	                }
	                break;
	            case 4:
	                for (m = 0; m < 48; m++) {
	                    keys[4][m] = tempKey[m];
	                }
	                break;
	            case 5:
	                for (m = 0; m < 48; m++) {
	                    keys[5][m] = tempKey[m];
	                }
	                break;
	            case 6:
	                for (m = 0; m < 48; m++) {
	                    keys[6][m] = tempKey[m];
	                }
	                break;
	            case 7:
	                for (m = 0; m < 48; m++) {
	                    keys[7][m] = tempKey[m];
	                }
	                break;
	            case 8:
	                for (m = 0; m < 48; m++) {
	                    keys[8][m] = tempKey[m];
	                }
	                break;
	            case 9:
	                for (m = 0; m < 48; m++) {
	                    keys[9][m] = tempKey[m];
	                }
	                break;
	            case 10:
	                for (m = 0; m < 48; m++) {
	                    keys[10][m] = tempKey[m];
	                }
	                break;
	            case 11:
	                for (m = 0; m < 48; m++) {
	                    keys[11][m] = tempKey[m];
	                }
	                break;
	            case 12:
	                for (m = 0; m < 48; m++) {
	                    keys[12][m] = tempKey[m];
	                }
	                break;
	            case 13:
	                for (m = 0; m < 48; m++) {
	                    keys[13][m] = tempKey[m];
	                }
	                break;
	            case 14:
	                for (m = 0; m < 48; m++) {
	                    keys[14][m] = tempKey[m];
	                }
	                break;
	            case 15:
	                for (m = 0; m < 48; m++) {
	                    keys[15][m] = tempKey[m];
	                }
	                break;
	            }
	        }
	        return keys;
	    }

	    public static void main(String[] args) {
	    	DESJAVA desObj = new DESJAVA();
	        String key1 = "12";
	/*        String key2 = "2";
	        String key3 = "3";*/
	        for (int i = 0; i < 10; i++) {
				int j=i;
				String data="35018119920209161x";
			    String dec = DESJAVA.strEnc(data, key1,null,null);
		        System.out.println("加密前的账号："+data+"加密后："+dec+"changdu"+dec.length());
			}
	      /*  String data = "B565B1BE75E0E7BC688BF52BFAF39496";
	        String str = desObj.strEnc(data, key1,null,null);
	        System.out.println(str);
	        String dec = DESJAVA.strDec(data, key1,null,null);
	        System.out.println(dec);*/
	    }
	    
}
